Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7575643 | Carburization treatment method | Hisashi Ebihara, Jun Takahashi, Fumitaka Abukawa, Hidetoshi Juryozawa | 2009-08-18 |
| 7276204 | Carburization treatment method and carburization treatment apparatus | Hisashi Ebihara, Jun Takahashi, Fumitaka Abukawa, Hidetoshi Juryozawa | 2007-10-02 |
| 7024916 | Vacuum heat treatment furnace and method of and apparatus for measuring carbon concentration in atmosphere having reduced pressure. | Hidetoshi Juryozawa, Fumitaka Abukawa, Jun Takahashi, Hisashi Ebihara | 2006-04-11 |
| 6733600 | Nitrided maraging steel and method of manufacture thereof | Yuichi Heishi, Masahiro Suzuki, Ikuo Tani, Youichi Watanabe, Shunzou Umegaki +1 more | 2004-05-11 |
| 6709629 | Vacuum heat treatment furnace | Hidetoshi Juryozawa, Fumitaka Abukawa, Jun Takahashi, Hisashi Ebihara | 2004-03-23 |
| 5868871 | Method and apparatus for carburizing, quenching and tempering | Fumitaka Abukawa, Hidetoshi Juryosawa, Jun Takahashi, Shinichi Takemoto, Hideki Inoue | 1999-02-09 |